Open Access2D full field vibration analysis with multiplexed digital holograms
Author(s) -
Pascal Picart,
Julien Leval,
JeanClaude Pascal,
Jean Pierre Boileau,
Michel Grill,
Jean Marc Breteau,
Benjamin Gautier,
Stéphane Gillet
Publication year - 2005
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/opex.13.008882
Subject(s) - optics , holography , vibration , digital holography , multiplexing , holographic interferometry , amplitude , physics , phase (matter) , harmonic analysis , acoustics , computer science , electronic engineering , engineering , telecommunications , quantum mechanics
Opportunities for full field 2D amplitude and phase vibration analysis are presented. It is demonstrated that it is possible to simultaneously encode-decode 2D the amplitude and phase of harmonic mechanical vibrations. The process allows the determination of in plane and out of plane vibration components when the object is under a pure sinusoidal excitation. The principle is based on spatial multiplexing in digital Fresnel holography. Experimental results are presented in the case of an industrial application.